Play Acydtron.io unblocked multiplayer online game for free and survive as long as possible! To become the top player, you should gain the highest mass. With only four keys, you cam move the main character and change the direction. What makes you fail in Acydtron.io is dots which create walls in different shapes. Don’t crash into them or you will die! The challenge will pass very quickly. Thus, you need to manage to observe and avoid in time. Let’s boot and enjoy! There are still many interesting Io games for you. Have fun!